in the abandoned underground quarry tunnels of Paris, a painter called Lone was painting the mural that is in accordance with the best known painting ‘Isle of the Dead’(German: Die Toteninsel) of Swiss artist Arnold Böcklin. People access into these quarries is illegal, so the explorers like Lone prefer to use the nickname. Lone spent a total of 1,500 hours to complete the painting in the past year.

A room is known as the “beach”

Napoleon ordered to build this canal in 1802

A municipal inspector was accessing to the quarry through the shaft, because the tunnels collapse occasionally.

The 18th and 19th centuries, the Parisian dug out millions of skeletons from the full cemeteries and transported the skeletons to the abandoned underground quarries.